BX Options History — May 2008

In May 2008, BX traded between $18.54 and $20.54. ATM implied volatility averaged 49.5%, placing in the 31.1% IV rank vs the trailing year. The 30-day expected move averaged 12.1%. IV traded above realized volatility by 10.8% (HV 20d: 38.7%). Max pain ranged from $17.50 to $22.50. Net GEX was positive for 21 of 21 trading days. Term structure was in contango for 11 of 21 days. Put/call ratio averaged 0.63.

Notable Days

  • 2008-05-27: Highest Volume — 30,212 contracts
  • 2008-05-15: Largest IV drop — 55.5% change
  • 2008-05-14: Highest IV Rank — 100.0%
  • 2008-05-02: Largest Expected Move — 13.6%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$19.42$18.54$20.54$19.51$19.47
Max Pain$22.02$17.50$22.50$17.50$22.50
ATM IV49.5%35.7%89.3%45.6%35.7%
Expected Move12.1%10.2%13.6%13.1%10.2%
HV 20d38.7%36.0%41.5%41.5%38.6%
HV 60d52.8%52.1%53.3%52.7%52.4%
IV Rank31.1%6.6%100.0%24.3%6.6%
IV Percentile46.2%6.1%100.0%41.9%6.1%
Term Structure-0.4%-5.8%3.6%-4.3%1.4%
VWIV44.0%37.0%54.4%46.0%37.0%
Skew 25d4.5%0.4%7.2%2.9%3.9%
Skew 10d10.4%0.5%21.8%0.8%0.5%
Call IV 25d42.0%37.1%47.3%46.4%38.1%
Put IV 25d46.5%40.9%53.3%49.2%42.0%
Bid-Ask Spread %10.735.1820.9814.747.04
Gamma HHI0.250.150.660.310.19
Net GEX470.5K80.9K3.1M453.3K246.6K
Net DEX-29.3M-75.0M-371.2K-37.0M-24.6M
Net VEX-760.8K-818.6K-724.0K-771.0K-754.8K
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio0.630.052.790.320.20
Total Volume8,618.5242,12830,21210,7428,720
Total OI240,538.81227,985250,555234,143238,916

Daily Data (21 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call WallPut WallCall VolPut VolCall OIPut OI
2008-05-01$19.51$17.5045.6%13.1%41.5%24.3%46.0%2.9%-4.3%453.3K-37.0M-771.0K0.3214.74N/AN/A8,1682,574111,662122,481
2008-05-02$20.22$17.5047.4%13.6%40.0%27.6%47.3%6.1%-5.8%493.3K-57.1M-818.6K0.6214.14N/AN/A8,3715,202116,632124,219
2008-05-05$19.71$22.5050.5%12.3%40.6%33.1%44.9%4.9%-1.1%435.8K-45.9M-797.6K0.5620.98N/AN/A1,367761118,851125,957
2008-05-06$19.47$22.5051.7%12.5%39.6%35.2%44.0%5.9%-2.0%373.3K-37.4M-785.3K0.3312.31N/AN/A3,6111,179118,875126,277
2008-05-07$19.34$22.5056.1%12.8%39.7%43.1%47.4%6.3%-1.6%412.6K-34.2M-780.3K0.3813.10N/AN/A3,0261,155118,524126,614
2008-05-08$19.02$22.5056.5%12.9%39.7%43.7%47.2%4.9%-0.9%415.3K-23.5M-767.8K0.5810.68N/AN/A3,0541,757118,549126,672
2008-05-09$18.80$22.5060.7%13.3%38.5%51.3%48.8%5.0%-2.2%356.0K-20.7M-768.6K0.9310.37N/AN/A1,5341,427119,290126,877
2008-05-12$18.97$22.5069.5%12.9%36.2%67.1%45.5%7.2%-0.6%430.4K-23.2M-753.8K1.3211.42N/AN/A9751,285119,145127,496
2008-05-13$19.05$22.5078.4%12.9%36.2%82.9%46.5%6.7%-1.4%413.3K-25.8M-760.7K0.507.97N/AN/A1,953977119,462128,009
2008-05-14$19.50$22.5089.3%13.3%36.5%100.0%47.9%3.8%-3.0%464.7K-45.2M-778.9K0.308.15N/AN/A10,4003,162120,140127,875
2008-05-15$20.54$22.5039.8%11.4%36.2%13.6%39.7%4.0%1.9%1.1M-75.0M-754.7K0.4420.72N/AN/A14,0366,174121,103127,659
2008-05-16$20.11$22.5038.3%11.0%36.8%11.0%38.5%5.4%3.6%3.1M-56.6M-760.6K1.276.85N/AN/A9,22311,759123,041127,514
2008-05-19$20.23$22.5037.4%10.7%36.1%9.5%38.5%5.9%1.3%81.7K-32.7M-755.7K0.327.25N/AN/A2,500801107,492120,493
2008-05-20$20.27$22.5038.6%11.1%36.0%11.5%38.6%5.9%1.2%80.9K-32.4M-759.1K0.187.64N/AN/A4,659861107,598120,640
2008-05-21$19.33$22.5040.2%11.5%39.9%14.4%40.8%1.1%0.4%177.2K-15.0M-734.9K0.357.61N/AN/A4,3891,553110,733120,840
2008-05-22$19.16$22.5040.6%11.6%40.0%15.0%43.2%2.8%1.0%167.2K-12.3M-746.5K0.608.53N/AN/A2,4131,444112,429121,330
2008-05-23$18.54$22.5043.5%12.5%39.8%20.2%45.7%6.0%0.5%141.5K-1.8M-732.1K2.799.37N/AN/A2,5297,062112,840121,608
2008-05-27$18.91$22.5040.9%11.7%40.3%15.7%54.4%0.4%0.6%223.6K-4.7M-739.7K0.0512.65N/AN/A28,6651,547113,561126,364
2008-05-28$18.66$22.5042.5%12.2%40.5%18.3%42.0%3.7%1.3%133.1K-371.2K-732.2K0.985.18N/AN/A1,2251,197111,175126,796
2008-05-29$19.05$22.5037.2%10.7%41.0%9.2%39.3%1.5%2.3%180.6K-9.4M-724.0K0.258.56N/AN/A6,6491,645110,955124,621
2008-05-30$19.47$22.5035.7%10.2%38.6%6.6%37.0%3.9%1.4%246.6K-24.6M-754.8K0.207.04N/AN/A7,2911,429113,621125,295